MC9S12HZ256CAL - 16-Bit 50MHz 256KB Flash MCU | NXP
N.º da peça: MC9S12HZ256CAL ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $0 | $0,00 |
| 10 | $0 | $0,00 |
| 100 | $0 | $0,00 |
| 500 | $0 | $0,00 |
| 1.000 | $0 | $0,00 |
MC9S12HZ256CAL Visão geral
A microcontroller is a semiconductor that integrates a CPU core, memory, I/O ports, timers, communication controllers, and other peripherals into one device. In the HCS12 hierarchy, this part is an embedded Flash MCU rather than a discrete processor. The NXP MC9S12HZ256 family is aimed at automotive instrumentation designs, where a single controller can coordinate digital inputs, analog measurement functions, motor-control outputs, and communication tasks while reducing component count.
The strongest verified features are the 16-bit data bus, 256KB Flash organized as 256K x 8, and the stated 50MHz clock speed in the device-family datasheet information. Distributor listings additionally display a 25MHz maximum-frequency field, creating a source discrepancy that should be resolved against the exact ordering-information table before clocking the device beyond 25MHz. The package is a 112-lead LQFP with gull-wing leads, making it a high-pin-count surface-mount automotive-control solution.
The MC9S12HZ256 family includes a motor PWM module with as many as 24 high-current outputs for driving up to six stepper motors, according to the NXP product page. Selected devices also offer up to four stepper-stall detectors for pointer-position calibration. These features make the MCU relevant to automotive gauge clusters, instrument-panel actuators, motor-driven indicators, pointer mechanisms, and other embedded motor-control systems.
Engineers should use the MC9S12HZ256CAL data sheet and CPU S12 reference manual together when developing firmware. The data sheet covers the HCS12 family modules, while the S12 CPU reference manual provides processor-specific information. Because the official product page identifies this exact orderable part as end of life, new production designs should confirm longevity, sourcing, and any migration plan before committing the MCU to an automotive platform.
A critical design constraint is power: the verified supply range is only 2.35V to 2.75V, so the regulator, decoupling, and ground architecture must remain within that narrow window. The 112-LQFP footprint also requires careful escape routing and a pin-accurate review of the 112-pin documentation. This page combines manufacturer and distributor facts, source conflicts, lifecycle status, and practical sourcing guidance without inferring missing electrical or pin-level data.
Alternativas drop-in para MC9S12HZ256CAL — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MC9S12HZ256CAL (mesmo formato e footprint) — diferindo em Package, Product Type, Flash Memory, Package Type, Mounting Type.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC9S12HZ256CPV
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
Consulte o preço
Ver ficha técnica →S912XET256J1CALR
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$2.6476 / unidade
Ver ficha técnica →S912XDT256F1VAA
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$13.6 / unidade
Ver ficha técnica →MC9S12A256CCPV
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12XDQ256VPV
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
Consulte o preço
Ver ficha técnica →MC9S12HZ256CAL Classificações máximas e características elétricas
| Product Type | 16-bit HCS12 Flash microcontroller |
| Largura do barramento de dados | 16 bit |
| Core / Family | S12 core / MCS12H family |
| Flash Memory | 256KB (256K x 8) |
| Maximum Clock Speed | 50 MHz |
| Distributor Clock-Speed Listing | 25 MHz |
| Supply Voltage Range | 2.35V to 2.75V |
| Faixa de temperatura de operação | -40°C to +85°C |
| Temperature Grade | Industrial |
| Encapsulamento | 112-LQFP (20x20 mm) |
| Lead Count | 112 |
| Terminal Form | Gull wing |
| Package Shape | Square |
| Estilo de montagem | Surface mount |
| Motor PWM Outputs | Up to 24 high-current outputs |
| Supported Stepper Motors | Up to 6 |
| Stepper Stall Detectors | Up to 4 on selected devices |
| Background Debug Interface | BKGD/TAGHI/MODC pin |
Guia de Configuração de Pinos do MC9S12HZ256CAL square
Configuração de pinos para MC9S12HZ256CAL (pacote square). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para MC9S12HZ256CAL.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
MC9S12HZ256CAL é adequado para 6 aplicaçãos: Automotive Gauge Clusters, Stepper-Motor Pointer Drives, Instrumentation Motor Control, Automotive Sensor Aggregation, Industrial Embedded Control, Legacy Automotive Platform Maintenance.
Automotive Gauge Clusters
The MC9S12HZ256CAL fits legacy automotive gauge-cluster platforms that require a 16-bit HCS12 controller with 256KB Flash and a -40°C to +85°C industrial temperature range. Its documented motor PWM capability provides a direct architectural match for pointer and indicator mechanisms. The MCU can coordinate instrument inputs, drive selected stepper motors, and retain embedded control logic in one package. Design teams should verify the exact peripheral map, pin multiplexing, watchdog behavior, and diagnostic requirements against the official data sheet before production release.
Recomendado
Stepper-Motor Pointer Drives
The NXP MC9S12HZ256CAL is suitable for stepper-driven gauge pointers because the MCS12H family supports a motor PWM module with as many as 24 high-current outputs for up to six stepper motors. Selected devices also offer as many as four stall detectors for pointer-reset calibration. Firmware can therefore combine actuator sequencing, position feedback, and fail-safe handling in one 16-bit MCU. Production designs must confirm the selected device's stall-detector population and validate actuator current, thermal limits, and fault response.
Recomendado
Instrumentation Motor Control
The MC9S12HZ256CAL matches embedded automotive instrumentation controllers that operate multiple precision actuator outputs from a single MCU. Its 16-bit CPU, 256KB Flash, and motor PWM resources support real-time sequencing, calibration tables, and diagnostic logic, while the 112-LQFP package exposes a high pin count for external sensing and driver interfaces. Because the verified record does not specify every GPIO and timer channel, engineers should allocate pins only after reviewing the official package pin table and application reference material.
Recomendado
Automotive Sensor Aggregation
The 256KB Flash and 16-bit HCS12 architecture make MC9S12HZ256CAL a candidate for aggregating inputs from an automotive instrument panel and coordinating downstream motor commands. Embedded Flash can hold application, calibration, and diagnostic logic, while the family peripherals are intended for instrumentation designs. The verified operating range of -40°C to +85°C supports industrial-temperature equipment. Exact analog channels, ADC characteristics, communication interfaces, and pin multiplexing remain unstated in the supplied data and must be confirmed in the manufacturer documentation.
Recomendado
Industrial Embedded Control
MC9S12HZ256CAL can be used in legacy industrial embedded-control equipment requiring a 16-bit microcontroller, 256KB Flash, and operation from -40°C to +85°C. The HCS12 family's motor-control resources are especially useful for multi-axis sequencing and actuator management. However, the official NXP page identifies the part as End of Life, so industrial users should secure supply or plan a migration before long-term deployment. Firmware reuse is plausible within the S12 ecosystem, but pin, clock, memory, and peripheral equivalence must be verified for each candidate MCU.
Recomendado
Legacy Automotive Platform Maintenance
MC9S12HZ256CAL is most practical for maintaining an existing automotive platform whose software and 112-LQFP layout already depend on the MC9S12HZ256 family's pin assignments and peripherals. A same-part replacement avoids board and firmware disruption when only continuity of supply is required. Because the target is End of Life, procurement should include authorized-channel checks, lot traceability, and written remaining-lifecycle commitments. New functional alternatives should be treated as redesigns until their exact data sheets demonstrate compatibility.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC9S12HZ256CAL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC9S12HZ256CPV | S912XET256J1CALR | S912XDT256F1VAA | MC9S12A256CCPV | MC9S12XDQ256VPV |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 112-LQFP (20x20 mm) | 112-LQFP (20x20 mm) - exact equivalence not verified | 112-LQFP (20x20 mm) - exact equivalence not verified | 112-LQFP (20x20 mm) - exact equivalence not verified | 112-LQFP (20x20 mm) - exact equivalence not verified | 112-LQFP (20x20 mm) - exact equivalence not verified |
| Flash Memory | 256KB (256K x 8) | 256KB-class | 256KB-class | 256KB-class | 256KB-class | 256KB-class |
| CPU Architecture | 16-bit HCS12 / S12 core | HCS12 family | S12 family | S12 family | HCS12 family | HCS12 family |
Principais diferenciais
- Purpose-built MCS12H automotive instrumentation positioning (vs MC9S12DJ32)
- Higher verified Flash allocation than the suggested 32KB-class alternative (vs MC9S12DJ32)
- Documented industrial temperature operation (vs MC9S12HZ256CPV)
- Motor-oriented feature set for gauge mechanisms (vs MC9S12DP512MPVE)
Notas de projeto
Design the supply rail for the verified 2.35V to 2.75V operating range and avoid allowing controller transients to exceed those limits. Place the required bypass capacitors directly at the device supply pins according to the official data sheet, keep high-current motor returns separate from sensitive signal returns where practical, and validate the regulator across startup, idle, and full actuator load. No capacitor values are provided in the verified data, so they must not be inferred from generic HCS12 designs.
The 112-LQFP footprint has a 0.5mm-class lead pitch implied by the 20x20mm, 112-lead format and requires constrained escape routing between pads. Use the official NXP package drawing for land pattern, pin-one orientation, solder-mask clearance, and courtyard. Review every pin against the selected memory map and peripheral mux before routing; a mechanically similar package is not enough to prove electrical compatibility.
Do not resolve the conflicting clock information by simply applying the 50MHz family-data-sheet figure. The NXP family PDF lists 50MHz, while DigiKey product snippets list 25MHz for the exact MPN. Engineers should check the device identification, clock-tree conditions, and ordering-information table for MC9S12HZ256CAL before setting fuses or timing. Also confirm all motor-output and stall-detector functions at the device level because those counts can vary by selected device.
Automotive instrumentation motor outputs can create local heating and supply disturbance even when the controller's own junction temperature appears acceptable. Estimate total dissipation from regulator, digital I/O, and external-driver contributions rather than the CPU alone, then estimate junction temperature using verified thermal data and the actual PCB copper area. The supplied data does not include thermal resistance or maximum power figures, so a numerical heat-sink or copper calculation cannot be made without additional manufacturer information.
Informações de conformidade
The verified pages identify automotive instrumentation use and an industrial temperature range but do not explicitly provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations for the exact MPN.
